Text Generators

http://www.redkid.net/generator/sign.php
text generator

http://www.says-it.com/
more text generating, lots of signs you can add your own text

http://community.prometheanplanet.com/en/blog/b/blog/archive/2010/10/04/11-far-out-web-based-graphics-generators-to-your-flipcharts-fun.aspx
blog about text generating websites, links to 11 sites